It was a pilot for a proposed supernatural anthology TV series for CBS called The Haunted. The series was not picked up after CBS president James T. Aubry left but some additional footage was filmed and it was released as a stand alone movie.
One summer day, a mysterious girl named Mayuka claims to be Tenchi's daughter, unaware of a 700 year demon child called Yuzuha is bent on causing havoc and vengeance on the Masaki family.
This is the very first feature film of Tenchi Muyo on his time-traveling adventure to save his mother from the malevolent inter-being who had escaped from prison.